<template>
    <div>
        <!-- 面包屑导航 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>权限管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区 -->
        <el-card>
            <el-row :gutter="25">
                <el-col :span="10">
                    <!-- 搜索添加 -->
                    <el-input placeholder="请输入搜索内容" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>

                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
                </el-col>
            </el-row>
            <!-- 用户列表 -->
            <el-table :data="userlist" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="姓名" prop="username"></el-table-column>
                <el-table-column label="邮箱" prop="email"></el-table-column>
                <el-table-column label="密码" prop="password"></el-table-column>
                <el-table-column label="角色" prop="role"></el-table-column>
                <el-table-column label="状态" prop="state">
                    <!-- scope.row 就是当前行的信息 -->
                    <template slot-scope="scope">
                        <el-switch v-model="scope.row.state" @change="userStateChanged(scope.row)"></el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作">
                    <template slot-scope="scope">
                        <!-- 修改 -->
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                        <!-- 删除 -->
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteUser(scope.row.id)"></el-button>
                        <!-- 权限 -->
                        <el-tooltip effect="dark" content="分配权限" placement="top-start" :enterable="false">
                            <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页 -->
            <el-pagination
                    @size-change="handleSizeChange"
                    @current-change="handleCurrentChange"
                    :current-page="queryInfo.pageNum"
                    :page-sizes="[1, 2, 5, 100]"
                    :page-size="queryInfo.pageSize"
                    layout="total, sizes, prev, pager, next, jumper"
                    :total="total"
            ></el-pagination>
        </el-card>

        <!-- 创建新用户对话框 -->
        <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%"
                   @close="addDialogClosed">
            <!-- 内容主体区域 -->
            <el-form :model="addForm" :rules="addFormRules"
                     ref="addFormRef" label-width="70px">
                <!-- 用户名 -->
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addForm.password"></el-input>
                </el-form-item>
                <!-- 邮箱 -->
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email"></el-input>
                </el-form-item>
            </el-form>
            <!-- 内容底部区域 -->
            <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
        </el-dialog>
        <!-- 修改用户对话框 -->
        <el-dialog title="修改用户信息" :visible.sync="editDialogVisible" width="50%" @colse="editDialogClosed">
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
                <!-- 用户名 -->
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item label="密码" prop="password">
                    <el-input v-model="editForm.password"></el-input>
                </el-form-item>
                <!-- 邮箱 -->
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
        </el-dialog>
    </div>
</template>
<script>
    export default {
        data() {
            return {
                // 请求数据
                queryInfo: {
                    query: "",
                    pageNum: 1,
                    pageSize: 5
                },
                userlist: [],// 用户列表

                total: 0, // 最大数据记录
                addDialogVisible: false ,// 对话框显示
                // 添加用户表单项
                addForm: {
                    username:'',
                    password:'',
                    email:'',
                },
                // 控制修改用户对话框显示/隐藏
                editDialogVisible:false,
                // 修改用户信息
                editForm:{},
                // 验证规则
                addFormRules:{
                    username:[
                        { required: true, message: "请输入用户名", trigger: "blur" },
                        { min: 5, max: 8, message: "长度在 5 到 8 个字符", trigger: "blur" }
                    ],
                    password:[
                        { required: true, message: "请输入密码", trigger: "blur" },
                        { min: 6, max: 8, message: "长度在 6 到 8 个字符", trigger: "blur" }
                    ],
                    email:[
                        { required: true, message: "请输入邮箱", trigger: "blur" },
                        { min: 5, max: 15, message: "请输入正确邮箱地址", trigger: "blur" }
                    ],
                },
                // 修改用户表单验证规则
                editFormRules:{
                    password:[
                        { required: true, message: "请输入密码", trigger: "blur" },
                        { min: 6, max: 8, message: "长度在 6 到 8 个字符", trigger: "blur" }
                    ],
                    email:[
                        { required: true, message: "请输入邮箱", trigger: "blur" },
                        { min: 5, max: 15, message: "请输入正确邮箱地址", trigger: "blur" }
                    ],
                },
            };
        },
        created() {
            this.getUserList();
        },
        methods: {
            async getUserList() {
                // 调用post请求
                const { data: res } = await this.$http.get("allUser", {
                    params: this.queryInfo
                });
                this.userlist = res.data; // 将返回数据赋值
                this.total = res.numbers; // 总个数

            },
            // 监听pageSize改变的事件
            //最大数
            handleSizeChange(newSize) {
                this.queryInfo.pageSize = newSize;
                this.getUserList(); // 数据发生改变重新申请数据
            },

            // 监听pageNum改变的事件
            handleCurrentChange(newPage) {
                this.queryInfo.pageNum = newPage;
                this.getUserList(); // 数据发生改变重新申请数据
            },
            // 修改用户状态
            async userStateChanged(userinfo) {
                const { data: res } = await this.$http.put(
                    `userState?id=${userinfo.id}&state=${userinfo.state}`
                );
                if (res != "success") {
                    userinfo.state = !userinfo.state;
                    return this.$message.error("操作失败！！！");
                }
                this.$message.success("操作成功！！！");
            },
            // 监听添加用户
            addDialogClosed(){
                this.$refs.addFormRef.resetFields();// 重置表单项
            },
            // 添加用户
            addUser(){
                this.$refs.addFormRef.validate(async valid =>{
                    console.log(valid);
                    if( !valid ) return;
                    // 发起请求
                    const {data:res} = await this.$http.post("addUser",this.addForm);
                    if (res != "success") {
                        userinfo.state = !userinfo.state;
                        return this.$message.error("操作失败！！！");
                    }
                    this.$message.success("操作成功！！！");
                    //隐藏
                    this.addDialogVisible = false;
                    this.getUserList();
                })
            },
            // 展示修改框
            async showEditDialog(id){

                const {data:res} = await this.$http.get("getUpdate?id="+id);
                // if (res != "success") {
                // userinfo.state = !userinfo.state;
                // return this.$message.error("操作失败！！！");
                // }
                // this.$message.success("操作成功！！！");

                this.editForm = res;
                this.editDialogVisible = true;
            },
            // 关闭窗口
            editDialogClosed(){
                this.$refs.editFormRef.resetFields();
            },
            // 确认修改
            editUserInfo(){
                this.$refs.editFormRef.validate(async valid =>{
                    console.log(valid);
                    if( !valid ) return;
                    // 发起请求
                    const {data:res} = await this.$http.put("editUser",this.editForm);
                    console.log(res);
                    if (res != "success") return this.$message.error("操作失败！！！");
                    this.$message.success("操作成功！！！");
                    //隐藏
                    this.editDialogVisible = false;
                    this.getUserList();
                });
            },
            // 删除按钮
            async deleteUser(id){
                // 弹框
                const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).catch(err => err)
                // 成功删除为confirm 取消为 cancel
                if(confirmResult!='confirm'){
                    return this.$message.info("已取消删除");
                }
                const {data:res} = await this.$http.delete("deleteUser?id="+id);
                if (res != "success") {
                    return this.$message.error("操作失败！！！");
                }
                this.$message.success("操作成功！！！");
                this.getUserList();
            },
        }
    };
</script>
<style lang="less" scoped>
    .el-breadcrumb{
        margin-bottom: 15px;
        font-size: 17px;
    }
</style>